TWI608952B - Assembling electric vehicles - Google Patents

Description

Assembling an electric car

The present invention relates to an electric vehicle, and more particularly to an electric vehicle that can be assembled.

The existing energy-saving mode of electric vehicles mainly uses various materials such as aluminum alloy to produce various components to reduce the weight. However, it is known that the weight of the vehicle body is closely related to the energy consumption. Once the net weight of the vehicle body is reduced, the energy consumption can be reduced and the energy saving effect can be achieved. However, the degree of weight reduction is relatively limited, and how to effectively save energy will be a subject worthy of study.

Accordingly, it is an object of the present invention to provide an energy-saving assembled electric vehicle.

The assembled electric vehicle of the present invention comprises: a vehicle body unit, which can be selectively assembled into a basic structure or an expanded structure, and includes a first vehicle body and a second vehicle body which are mutually connected and connected to each other, the first And each of the second vehicle bodies has a connecting side; a wheel unit including two first wheels disposed opposite to each other in the front-rear direction, and two opposite to each other in the front-rear direction Set in the second body a second wheel; a driving unit comprising a first driving motor mounted to the first vehicle body for driving one of the first wheels to rotate, and one for the second vehicle body and for driving a second driving motor that rotates one of the second wheels; a power supply unit for supplying power required for assembling the electric vehicle, and includes a first battery mounted to the first vehicle body; and a connecting unit The first electrical connector is disposed on the connecting side of the first vehicle body, and a second electrical connector is disposed on the connecting side of the second vehicle body, and corresponds to the position The first electrical connector is electrically connected to the second driving motor. When the vehicle body unit is assembled into the basic structure, the second electrical connector is electrically coupled to the first electrical connector; and a driving control Provided in the first vehicle body and electrically connected to the first driving motor and the first battery, and when the vehicle body unit is assembled into the basic structure, is further electrically connected via the first and second electrical connectors Connecting the second drive motor and controlling the power according to the power supplied by the power unit First and second drive motors to drive rotation of those first and second wheels.

In some implementations, one of the first electrical connector and the second electrical connector is a male electrical connector, and the other is a female electrical connector.

In some embodiments, the male electrical connector includes a substantially cylindrical inner terminal block and an annular outer connector seat, the inner terminal block being externally fixed to the first and second body bodies. One of the connecting sides is provided with a plurality of conductive terminals, and the outer connecting seat is rotatably sleeved on the inner terminal block with respect to the inner terminal block and has two extending opposite to each other and extending radially outward. Wing; the female electrical connector includes an embedded a mounting seat on the connecting side of the other of the first and second bodies, the mounting seat is formed with a receiving slot and a plurality of terminal holes, and has a plurality of electrical contacts respectively disposed in the terminal holes The accommodating groove has two extending groove portions facing each other; and when the vehicle body unit is assembled into the basic structure, the accommodating groove accommodating the outer connecting seat, and the conductive terminals are respectively matched Inserting the terminal holes and electrically contacting the electrical contacts disposed in the terminal holes, respectively, and by rotating the outer connector, the extension wings of the outer connector respectively enter and are stuck The extending slots of the receiving slot are configured to maintain the male and female electrical connectors electrically coupled to each other.

In some implementations, the connecting unit further includes at least one first connecting member disposed on the connecting side of the first vehicle body, and at least one disposed on the connecting side of the second vehicle body at a position And corresponding to the second connecting member of the at least one first connecting member, the at least one first connecting member is coupled to the at least one second connecting member when the vehicle body unit is assembled into the basic structure.

In some embodiments, one of the at least one first connector and the at least one second connector is a male connector, and the other one is a female connector.

In some embodiments, the male connector includes a substantially cylindrical inner terminal block and an annular outer connector seat, the inner terminal block being externally fixed to the first and second body bodies. The connecting side of the one, the outer connecting seat is rotatably sleeved on the inner terminal block with respect to the inner terminal block and has two opposite and radially outward extensions An extension of the extension; the female connector includes a mounting seat embedded on the connecting side of the other of the first and second bodies, the mounting seat is formed with a receiving slot, the receiving slot has two And a plurality of mutually extending extending groove portions; and when the body unit is assembled into the basic structure, the receiving groove cooperatively accommodates the outer connecting seat, and by rotating the outer connecting seat, the outer connecting seat The extension wings respectively enter and are latched in the extending slots of the receiving slot to maintain the male and female connectors coupled to each other.

In some implementations, the connecting unit further includes a plurality of engaging blocks formed on one of the connecting sides of the first and second vehicle bodies, and a plurality of first and second vehicles formed on the first and second vehicles One of the other connecting sides of the body and correspondingly corresponding to the engaging grooves of the engaging blocks, respectively, when the body unit is assembled into the basic structure, the engaging blocks are respectively engaged with the engaging grooves In order to maintain the connection relationship between the first and second bodies.

In some embodiments, the vehicle body unit further includes a third vehicle body having first and second connecting sides opposite to each other, and when the vehicle body unit is assembled into the expansion structure, the third vehicle body is Interposed between the connecting sides of the first and second bodies, such that the first and second connecting sides of the third body are respectively attached to the first and second bodies The power supply unit further includes a second battery mounted to the second vehicle body and a third battery mounted to the third vehicle body; the connection unit further includes a third electrical connector and a fourth An electrical connector, the third electrical connector is disposed on the first connection side of the third vehicle body and correspondingly to the first electrical connector, the fourth The electrical connector is disposed on the second connection side of the third vehicle body and correspondingly to the second electrical connector, wherein the third electrical connector and the fourth electrical connector respectively correspond to the first electrical connector The connector and the second electrical connector are electrically coupled; and the driving controller electrically connects the second driving motor via the first to fourth electrical connectors, and controls the power according to the power supplied by the power unit First and second drive motors for driving rotation of the first and second wheels.

In some embodiments, the second vehicle body has a sliding bar, and the first vehicle body has a sliding slot that cooperates with the sliding bar, so that the connecting sides of the first and second vehicle bodies are The body unit units are spaced apart from each other when they are configured into the expansion structure, and are respectively attached to the first and second connection sides of the third vehicle body.

In some embodiments, the wheel unit further includes a first auxiliary wheel disposed on the first vehicle body and not adjacent to the first wheel, and disposed on the second vehicle body and the same a second auxiliary wheel in which the two wheels are not collinear with each other, and at least three third auxiliary wheels disposed on the third body and not collinear with each other.

In some embodiments, the wheel unit further includes four wheel lifting mechanisms disposed on the body unit, and each wheel lifting mechanism is configured to make one of the first and second wheels relative to the body The unit moves between a use position and a retracted position, the first and second wheels contacting a support surface in the use position and the first, second and third auxiliary wheels are spaced apart from the support Above the face, the support faces are simultaneously contacted with the first, second and third auxiliary wheels in the retracted position.

In some embodiments, each of the lifting mechanisms has a body fixed to the body unit, an upper support arm pivotally connected to the upper side of the body, and a lower side of the body and longer than the upper support arm. a lower support arm, a wheel axle of the corresponding one of the first and second wheels, and a wheel bearing interconnecting the upper support arm and the lower support arm, and a pivoting body on the upper side of the body a biasing telescopic rod member between the lower support arms, the total length of the biasing telescopic rod member being shortened when the upper support arm, the lower support arm and the biasing telescopic rod member are pivoted upward relative to the body The wheel bearing is driven to move upward relative to the body such that the corresponding one of the first and second wheels moves with the wheel bearing toward the interior of the body unit.

In some embodiments, one of the first electrical connector and the second electrical connector is a male electrical connector and the other one is a female electrical connector, the third electrical connector being similar In the second electrical connector, the fourth electrical connector is similar to the first electrical connector.

In some embodiments, the male electrical connector includes a substantially cylindrical inner terminal block and an annular outer connector seat, the inner terminal block being externally fixed to the first and second body bodies. One of the connecting sides is provided with a plurality of conductive terminals, and the outer connecting seat is rotatably sleeved on the inner terminal block with respect to the inner terminal block and has two extending opposite to each other and extending radially outward. The female electrical connector includes a mounting seat embedded on the connecting side of the other of the first and second vehicle bodies, the mounting seat is formed with a receiving slot and a plurality of terminal holes, and has a plurality of Electrical properties respectively set in the terminal holes The accommodating groove has two extending groove portions facing each other; and when the vehicle body unit is assembled into the expansion structure, the accommodating groove accommodating the outer connecting seat, and the conductive terminals respectively Correspondingly inserted into the terminal holes and electrically contacting the electrical contacts disposed in the terminal holes, respectively, and by rotating the outer connector, the extension wings of the outer connector respectively enter and click The extending slots of the receiving slot are configured to maintain the male and female electrical connectors electrically coupled to each other.

In some implementations, the connecting unit further includes at least one first connecting member disposed on the connecting side of the first vehicle body, and at least one second connecting portion disposed on the connecting side of the second vehicle body And at least one third connecting member disposed on the first connecting side of the third vehicle body and correspondingly corresponding to the first connecting members, and at least one of the first connecting body a fourth connecting member on the two connecting sides and correspondingly corresponding to the second connecting members, and the at least one third connecting member and the at least one fourth connecting portion when the vehicle body unit is assembled into the extended structure The pieces are respectively engaged with the at least one first connecting piece and the at least one second connecting piece.

In some embodiments, one of the at least one first connecting member and the at least one third connecting member is a male connecting member, and the other one is a female connecting member, and the at least one second connecting member The member is similar to the at least one third connector, and the at least one fourth connector is similar to the at least one first connector.

In some embodiments, the male connector includes a substantially cylindrical inner terminal block and an annular outer connector, the inner terminal block being externally fixed to the first The connecting side of one of the first and second bodies, the outer connecting seat is rotatably sleeved on the inner terminal block with respect to the inner terminal block and has two extending wings extending opposite to each other and extending radially outward The female connector includes a mounting seat embedded on the connecting side of the other of the first and second vehicle bodies, the mounting seat is formed with a receiving groove, and the receiving groove has two opposite sides And extending the slot portion; and when the body unit is assembled into the expansion structure, the receiving slot is configured to receive the outer connector, and by rotating the outer connector, the extension wings of the outer connector are respectively And extending into the extending slots of the receiving slot to maintain the male and female connectors coupled to each other.

In some embodiments, the connecting unit further includes a plurality of engaging blocks and a plurality of engaging grooves formed on the connecting side of the first vehicle body and the first connecting side of the third vehicle body. One of the connecting side of the second body and the second connecting side of the third body, the engaging grooves being formed on the connecting side of the first body and the third The other of the first connection side of the vehicle body, and the other side of the connection side of the second vehicle body and the second connection side of the third vehicle body, the third body of the third vehicle body One of the connecting side and the second connecting side forms the engaging blocks, wherein the other forms the engaging grooves, the connecting side of the first vehicle body and the first connecting side of the third vehicle body The engaging blocks are correspondingly coupled to the engaging grooves in position, and the engaging blocks on the connecting side of the second vehicle body and the first connecting side of the third vehicle body and the engaging grooves are Positionally correspondingly connected, when the body unit is assembled into the expansion structure, the joint blocks are respectively engaged Other engagement groove, so as to The connection relationship between the first vehicle body, the second vehicle body and the third vehicle body is maintained.

In some embodiments, the body unit further includes a fourth body having a connecting front side, the first body further having a connecting rear side, the second body further having a connecting rear side, the third The vehicle body further has a third connecting side. When the vehicle body unit is assembled into the expansion structure, the connecting front side of the fourth vehicle body is connected to the connecting rear sides of the first and second vehicle bodies. a third connecting side of the third vehicle body; the wheel unit further includes two third wheels that are respectively disposed on the two sides of the fourth vehicle body; the driving unit further includes a fourth vehicle body and is mounted on the fourth vehicle body a third driving motor that drives one of the third wheels to rotate; the power unit further includes a third battery mounted to the fourth body; the connecting unit further includes a fifth electrical connector and a first a sixth electrical connector, the fifth electrical connector is disposed on the connecting rear side of the first vehicle body, the sixth electrical connector is disposed on the connecting front side of the fourth vehicle body and corresponds in position to the a fifth electrical connector electrically connected to the third drive motor, the sixth electrical connector The fifth electrical connector is electrically coupled; and the driving controller electrically connects the second and third driving motors via the first to sixth electrical connectors, and controls the power according to the power supplied by the power unit The first to third drive motors drive the rotation of the first to third wheels.

In some embodiments, the wheel unit further includes a first auxiliary wheel disposed on the first vehicle body and not adjacent to the first wheel, and disposed on the second vehicle body and the same a second auxiliary wheel in which the two wheels are not collinear with each other, at least three third auxiliary wheels disposed on the third vehicle body and not collinear with each other, and one disposed on the fourth vehicle body And a fourth auxiliary wheel that is not collinear with the third wheels.

In some embodiments, the wheel unit further includes six wheel lifting mechanisms disposed on the body unit, each wheel lifting mechanism for aligning one of the first, second, and third wheels with respect to The body unit moves between a use position and a retracted position, and the first, second and third wheels contact a support surface in the use position and simultaneously the first, second, third and third The four auxiliary wheels are spaced above the support surface and simultaneously contact the first, second, third and fourth auxiliary wheels in the retracted position.

In some embodiments, each of the lifting mechanisms has a body fixed to the body unit, an upper support arm pivotally connected to the upper side of the body, and a lower side of the body and longer than the upper support arm. a lower support arm, a wheel axle of the corresponding one of the first, second and third wheels, and a wheel bearing interconnecting the upper support arm and the lower support arm, and a pivoting body a biasing telescopic rod member between the upper side and the lower support arm, the total length of the biasing telescopic rod member when the upper support arm, the lower support arm and the biasing telescopic rod member pivot upward relative to the body The wheel bearing is shortened and the wheel bearing is moved upward relative to the body such that the counterpart of the first, second and third wheels moves with the wheel bearing toward the interior of the body unit.

In some embodiments, one of the first electrical connector and the second electrical connector is a male electrical connector and the other one is a female electrical connector, the third electrical connector being similar In the second electrical connector, the fourth electrical connector is similar to the first An electrical connector, one of the fifth electrical connector and the sixth electrical connector being the male electrical connector, wherein the other is the female electrical connector.

In some embodiments, the male electrical connector includes a substantially cylindrical inner terminal block and an annular outer connector seat, the inner terminal block being externally fixed to the first and second body bodies. One of the connecting sides is provided with a plurality of conductive terminals, and the outer connecting seat is rotatably sleeved on the inner terminal block with respect to the inner terminal block and has two extending opposite to each other and extending radially outward. The female electrical connector includes a mounting seat embedded on the connecting side of the other of the first and second vehicle bodies, the mounting seat is formed with a receiving slot and a plurality of terminal holes, and has a plurality of An electrical contact respectively disposed in the terminal holes, the accommodating groove has two extending groove portions opposite to each other; and when the vehicle body unit is assembled into the expansion structure, the accommodating groove is accommodating The external connector is inserted into the terminal holes and electrically connected to the electrical contacts provided in the terminal holes, respectively, and the outer connector is rotated by the outer connector. The extending wings of the connecting seat respectively enter and are latched in the extending slots of the receiving slot, We will maintain the male-type and female-type electrical connector electrically coupled to each other.

In some implementations, the connecting unit further includes at least one first connecting member disposed on the connecting side of the first vehicle body, and at least one second connecting portion disposed on the connecting side of the second vehicle body And at least one third connecting member disposed on the first connecting side of the third vehicle body and correspondingly corresponding to the first connecting members, at least one second disposed on the first vehicle body On the connection side and in position corresponding to the a fourth connecting member of the second connecting member, at least one fifth connecting member, and at least one sixth connecting member disposed on the connecting front side of the fourth vehicle body and respectively corresponding to the at least one fifth connecting member, The at least one fifth connecting member is disposed on the connecting rear side of the first vehicle body, the connecting rear side of the second vehicle body, and one of the third connecting sides of the third vehicle body, when the The at least one third connecting member and the at least one fourth connecting member are respectively coupled to the at least one first connecting member and the at least one second connecting member, the at least one fifth The connecting member is coupled to the at least one sixth connecting member.

In some embodiments, one of the at least one first connecting member and the at least one third connecting member is a male connecting member, and the other one is a female connecting member, and the at least one second connecting member Similar to the at least one third connecting member, the at least one fourth connecting member is similar to the at least one first connecting member, and one of the at least one fifth connecting member and the at least one sixth connecting member is the male type A connector, the other of which is the female connector.

In some embodiments, the male connector includes a substantially cylindrical inner terminal block and an annular outer connector seat, the inner terminal block being externally fixed to the first and second body bodies. The connecting side of the one, the outer connecting seat is rotatably sleeved on the inner terminal block with respect to the inner terminal block and has two extending wings extending opposite to each other and extending radially outward; the female connector comprises a mounting seat embedded on the connecting side of the other of the first and second vehicle bodies, the mounting seat is formed with a receiving groove, the receiving groove has two extending groove portions opposite to each other; and when The vehicle body unit group is configured with the expansion structure When the accommodating slot is configured to receive the outer connecting seat, and the outer connecting seat is rotated, the extending wings of the outer connecting seat respectively enter and are engaged with the extending groove portions of the accommodating groove. In order to maintain the male and female connectors coupled to each other.

In some embodiments, the connecting unit further includes a plurality of engaging blocks and a plurality of engaging grooves formed on the connecting side of the first vehicle body and the first connecting side of the third vehicle body. One of the connecting side of the second vehicle body and the second connecting side of the third vehicle body, and the connecting front side of the fourth vehicle body, the engaging grooves are formed in the first The other side of the connecting side of the vehicle body and the first connecting side of the third vehicle body, the connecting side of the second vehicle body, and the second connecting side of the third vehicle body The connection side of the first vehicle body, the connection rear side of the second vehicle body, and the third connection side of the third vehicle body, the first connection side of the third vehicle body and the first One of the two connecting sides forms the engaging blocks, wherein the other forms the engaging grooves, the connecting blocks on the connecting side of the first body and the first connecting side of the third body and The engaging grooves are correspondingly coupled in position, and are located on the connecting side of the second vehicle body and the first connecting side of the third vehicle body The joint blocks are correspondingly coupled to the joint grooves, and the joint blocks on the front side of the joint are correspondingly coupled to the connection side of the first body and the second body. The rear side and the engaging grooves of the third connecting side of the third vehicle body, when the vehicle body unit is assembled into the expansion structure, the engaging blocks are respectively engaged with the engaging grooves to maintain the first Between a vehicle body, the second vehicle body, the third vehicle body and the fourth vehicle body Connection relationship.

In some embodiments, the first vehicle body has a first top cover and a first chassis spaced apart from each other, and an opposite side of the connecting side of the first vehicle body and connected to the first top cover a first door of the first chassis, and a first back plate located at the rear side of the first body and connected to the first top cover, the connecting unit further having a plurality of first backs disposed on the first back a first backplane connector of the board and a plurality of first chassis connectors disposed on the first chassis and corresponding to the first backplane connectors, and any of the first backplane connectors One of the first chassis connectors corresponding to the position of the first backplane connector is the male connector, and the other is the female connector, the second body having a first and a second interval a second top cover and a second chassis, a second door on the opposite side of the connecting side of the second body and connecting the second top cover and the second chassis, and a second vehicle body The connecting rear side is connected to the second backboard of the second top cover, and the connecting unit further has a plurality of a second backplane connector of the second backplane and a plurality of second chassis connectors disposed on the first chassis and corresponding to the second backplane connectors, and the second backplane One of the connecting members and the second chassis connector corresponding to the position of the second backplane connector is the male connector, the other is the female connector, the first body and the first body The second vehicle body collectively defines a closed first accommodating space when assembled into the basic structure.

In some embodiments, the first vehicle body has a first top cover and a first chassis spaced apart from each other, and a opposite one of the connecting sides of the first vehicle body. a first door connected to the first top cover and the first chassis, and a first back plate located on the connecting rear side of the first vehicle body and connected to the first top cover, the connecting unit further having a plurality of first backplane connectors disposed on the first backplane and a plurality of first chassis connectors disposed on the first chassis and corresponding to the first backplane connectors, and the first chassis connector One of the backplane connectors and the first chassis connector corresponding to the position of the first backplane connector is the male connector, and the other is the female connector, the second vehicle The body has a second top cover and a second chassis spaced apart from each other, a second door on the opposite side of the connecting side of the second body and connecting the second top cover and the second chassis, and a second backplane disposed on the rear side of the second vehicle body and connected to the second top cover, the connecting unit further has a plurality of second backplane connectors disposed on the second backplane and a plurality of a second chassis connection disposed on the first chassis and corresponding to the second backplane connectors One of the second backplane connectors is the male connector of the second backplane connector corresponding to the second backplane connector, and the other is the female connector. The third vehicle body has a third top cover and a third bottom plate which are vertically spaced apart from each other, and a third back plate connected to the third top cover. The connecting unit further has a plurality of third back plates disposed on the third back cover. a third backplane connector and a plurality of third chassis connectors disposed on the third chassis and corresponding to the third backplane connectors, and any of the third backplane connectors One of the third chassis connectors corresponding to the third backplane connector is the male connector, and the other is the female connector, the first body and the second body are assembled to make The expansion structure is respectively connected to the first and second connecting sides of the third vehicle body, so that the first vehicle body, the second vehicle body and the third vehicle body jointly define a closed second capacity Set the space.

In some embodiments, the first vehicle body has a first top cover and a first chassis spaced apart from each other, and an opposite side of the connecting side of the first vehicle body and connected to the first top cover a first door of the first chassis, and a first back plate located at the rear side of the first body and pivotally connected to the first top cover, the connecting unit further having a plurality of first a first backplane connector of the backboard and a plurality of first chassis connectors disposed on the first chassis and corresponding to the first backplane connectors, and the first backplane connectors One of the first chassis connectors corresponding to the position corresponding to the first backplane connector is the male connector, and the other is the female connector, the second body having an upper and lower spacing a second top cover and a second chassis, a second door on the opposite side of the connecting side of the second body and connecting the second top cover and the second chassis, and a second body The rear side of the connection is connected to the second backboard of the second top cover, and the connecting unit further has a plurality of a second backplane connector of the second backplane and a plurality of second chassis connectors disposed on the first chassis and corresponding to the second backplane connectors, and the second backplane One of the connecting members and the second chassis connecting member corresponding to the position of the second backplane connecting member is the male connecting member, and the other is the female connecting member, the third body having the upper and lower sides a third top cover and a third chassis spaced apart from each other, and a third top cover a third backplane, the connecting unit further includes a plurality of third backplane connectors disposed on the third backplane, and a plurality of the third chassis disposed at the third chassis and corresponding to the third backplane connectors a third chassis connector, one of the third backplane connectors and the third chassis connector corresponding to the position of the third backplane connector is the male connector, and the other is The first vehicle body and the second vehicle body are respectively connected to the first and second connecting sides of the third vehicle body when assembled into the expansion structure, and the fourth vehicle body has a fourth chassis, two fourth doors respectively extending upward from the left and right sides of the fourth chassis, and a fourth back plate extending upward from the rear edge of the fourth chassis and connecting the two fourth doors The first backboard and the second back are connected to the first rear side of the first vehicle body and the second vehicle body and the third connecting side of the third vehicle body The plate, the third back plate, and the fourth chassis of the fourth body cooperate with the four fourth doors and the fourth back plate Defining a third with a receiving space having an opening, the opening and upwardly.

In some implementations, when the first backboard, the second backplane, and the third backplane are pivoted upward to be coupled to the fourth backplane, the first vehicle body, the second vehicle body, The third vehicle body and the fourth vehicle body together define a closed fourth accommodating space.

The invention has at least the following effects: the vehicle body unit can be selectively assembled into a basic structure or an expanded structure, so that the assembled electric vehicle of the present invention can be assembled and configured with the number of bearers, and when the number of people carrying the load is one, only the need to provide The first body and the second body can be operated without starting the entire assembled electric vehicle, due to the first body and The total weight of the second vehicle body is greatly reduced compared with the general vehicle, and the energy required for starting the acceleration is also greatly reduced, so that the energy saving effect can be achieved.

10‧‧‧ body unit

1‧‧‧First body

11‧‧‧First top cover

12‧‧‧First Chassis

121‧‧‧Chute

13‧‧‧First door

14‧‧‧First backplane

15‧‧‧Connecting side

16‧‧‧Connected back side

2‧‧‧Second body

21‧‧‧Second top cover

22‧‧‧second chassis

221‧‧‧ Slider

23‧‧‧Second door

24‧‧‧Second backplane

25‧‧‧Connecting side

26‧‧‧Connected back side

3‧‧‧ Third car body

31‧‧‧ third top cover

32‧‧‧ Third Chassis

33‧‧‧ Third backplane

34‧‧‧ first connection side

35‧‧‧Second connection side

36‧‧‧ third connecting side

4‧‧‧Four car body

41‧‧‧fourth chassis

42‧‧‧fourth door

43‧‧‧fourth backplane

44‧‧‧Connecting the front side

5‧‧‧ wheel unit

51‧‧‧First wheel

52‧‧‧second wheel

53‧‧‧ Third wheel

54‧‧‧First auxiliary wheel

55‧‧‧Second auxiliary wheel

56‧‧‧3rd auxiliary wheel

57‧‧‧4th auxiliary wheel

58‧‧‧ wheel lift mechanism

581‧‧‧ body

582‧‧‧Upper support arm

583‧‧‧ lower support arm

584‧‧‧ Wheel Bearing

585‧‧‧Flexible telescopic rods

6‧‧‧Drive unit

61‧‧‧First drive motor

62‧‧‧Second drive motor

63‧‧‧ Third drive motor

7‧‧‧Power unit

71‧‧‧First battery

72‧‧‧second battery

73‧‧‧ Third battery

74‧‧‧fourth battery

8‧‧‧ Connection unit

81‧‧‧Male electrical connector

811‧‧‧ inner terminal block

811a‧‧‧ Groove

811b‧‧‧current terminal

811c‧‧‧ signal terminal

812‧‧‧Rotating Department

813‧‧‧Shell Department

814‧‧‧Extended wing

82‧‧‧Female electrical connector

821‧‧‧ Mounting

821a‧‧‧Bumps

821b‧‧‧current terminal hole

821c‧‧‧ signal terminal hole

822‧‧‧ accommodating slots

822a‧‧‧Extension groove

83‧‧‧ Male connectors

831‧‧ inside terminal block

831a‧‧‧ Groove

832‧‧‧Rotating Department

833‧‧‧ Shell Department

834‧‧‧Extended wing

84‧‧‧Female connector

841‧‧‧ Mounting

841a‧‧‧Bumps

842‧‧‧ accommodating slots

842a‧‧‧Extension groove

85‧‧‧ joint block

86‧‧‧ Engagement slot

9‧‧‧Drive Controller

G‧‧‧ Ground

S1‧‧‧First accommodation space

S2‧‧‧Second accommodating space

S3‧‧‧ third accommodating space

S4‧‧‧ fourth accommodating space

Other features and effects of the present invention will be apparent from the embodiments of the present invention. FIG. 1 is an exploded perspective view showing an embodiment of the assembled electric vehicle of the present invention; FIG. 2 is another embodiment of FIG. FIG. 3 is a schematic view showing the vehicle body configuration of the embodiment; FIG. 4 is a block diagram showing a wheel unit, a driving unit, a power supply unit, a connecting unit, and a driving control of the embodiment. Figure 5 is a perspective view showing an embodiment of the assembly completed; Figure 6 is a top view of Figure 5; Figure 7 is a side view of Figure 5; Figure 8 is a C of Figure 2 A partial perspective view of the embodiment of the wheel lifting mechanism; FIG. 9 is a rear view of FIG. 8 illustrating the wheel lifting mechanism of the embodiment in an unreceived state; FIG. 10 is a rear view of FIG. Explain that the wheel lifting mechanism of the embodiment is in a half-receiving state; Figure 11 is a rear elevational view of the embodiment of the wheel lifting mechanism in a fully received state; Figure 12 is a partial perspective view of Figure A, illustrating a male electrical connector of the embodiment; Figure 13 is a partial perspective view of the portion A of Figure 1 combined with the portion B of Figure 2, illustrating the male electrical connector and a female electrical connector of the embodiment; Figure 14 is a portion of Figure A A partial perspective view illustrating a male connector of the embodiment; FIG. 15 is a partial perspective view of the combination of A' of FIG. 1 and B' of FIG. 1, illustrating the male connector and a female die of the embodiment FIG. 16 is a perspective view showing a first vehicle body and a second vehicle body of a vehicle body unit of the embodiment being assembled into a basic structure; FIG. 17 is a schematic view showing the vehicle of the embodiment. The first body and the second body of the body unit are configured as an internal structure of the basic structure; FIG. 18 is a block diagram illustrating the first body and the second of the body unit of the embodiment When the vehicle body assembly is configured into the basic structure, the wheel unit, the driving unit, the power supply unit, the connecting unit, and the driving FIG. 19 is a perspective view showing the first body of the vehicle body unit and the second body of the vehicle body unit in the embodiment being assembled into an expanded structure; FIG. 20 is a perspective view; Schematic diagram illustrating the first body of the body unit of the embodiment and The second vehicle body and a third vehicle body are assembled to form an internal structure of the expansion structure; FIG. 21 is a block diagram showing the first vehicle body and the second vehicle body of the vehicle body unit of the embodiment. a connection relationship between the wheel unit, the driving unit, the power unit, the connecting unit, and the driving controller after the third vehicle body assembly is configured as the expansion structure; and FIG. 22 is a perspective view illustrating the embodiment Another aspect.

1 to 4, an embodiment of the assembled electric vehicle of the present invention comprises a vehicle body unit 10, a wheel unit 5, a driving unit 6, a power supply unit 7, a connecting unit 8, and a driving controller 9. . After the assembled electric vehicle of the present invention is completely assembled, as a general passenger car can carry about 4 passengers, as shown in FIGS. 5 to 7. The following is an introduction to each component.

Referring to FIGS. 1 to 3 , the vehicle body unit 10 includes a first vehicle body 1 , a second vehicle body 2 , a third vehicle body 3 , and a fourth vehicle body 4 . The first body 1 has a first top cover 11 and a first bottom cover 12, a connecting side 15, a connecting rear side 16, and an opposite side of the connecting side 15 and connecting the first top cover 11 a first door 13 with the first chassis 12, a sliding slot 121 formed on the first chassis 12 and on the connecting side 15, and a first backing plate 14 at the connecting rear side 16 and pivotally connected to the first top cover 11 .

The second body 2 and the first body 1 are mutually side by side and connected to each other a second top cover 21 and a second bottom plate 22 , a connecting side 25 , a connecting rear side 16 , an opposite side of the connecting side 25 and connecting the second top cover 21 and the second chassis 22 A second door 23, a slide bar 221 disposed on the second chassis 22 and located on the connecting side 25, and a second back plate 24 connected to the rear side 16 and pivotally connected to the second top cover 21. The slider 221 is slidably received in the chute 121 and the two are not separated from each other.

The third body 3 has a third top cover 31 and a third bottom cover 32 spaced apart from each other, a first connecting side 34, a second connecting side 35, a third connecting side 36, and a pivotal connection The third back plate 33 of the three top cover 31. The fourth body 4 has a fourth chassis 41, two fourth doors 42 extending upward from the left and right sides of the fourth chassis 41, and a fourth door extending upward from the rear edge of the fourth chassis 41 and connecting the two fourth doors 42. The four back plates 43 and one are connected to the front side 44.

Referring to FIG. 1 to FIG. 3, the vehicle body unit 10 can be selectively assembled into a basic structure or an expansion structure. When the vehicle body unit 10 is assembled into a basic structure, the first and second vehicle bodies 1 and 2 are the same. The connecting sides 15, 25 are attached to each other, and the slider 221 is accommodated in the chute 121 at this time. When the body unit 10 is assembled into an expansion structure, most of the sliders 221 are extended beyond the sliding slots 121, and the connecting sides 15, 25 of the first and second bodies 1, 2 are spaced apart from each other, and The sliding body 121 is coupled with the sliding rod 221, so that the third vehicle body 3 is sandwiched between the connecting sides 15, 25 of the first and second vehicle bodies 1, 2, so that the third vehicle body The first and second connecting sides 34, 35 of the three are attached to the connecting sides 15, 25 of the first and second bodies 1, 2, respectively. Further, the connecting front side 44 of the fourth vehicle body 4 It is also connectable to the connecting rear sides 16, 26 of the first and second bodies 1, 2 and the third connecting side 36 of the third body 3. The expansion structure involves an assembly change between the third and fourth body bodies 3, 4 and the first and second body bodies 1, 2, which will be mentioned later.

Referring to Figures 1, 3 and 6, the wheel unit 5 includes two first wheels 51 disposed opposite to each other in a front-rear direction, and two opposite sides of each other disposed in the front-rear direction. The second wheel 52 of the second wheel 52 and the two third wheels 53 respectively disposed on the two sides of the fourth vehicle body 4, the first auxiliary wheel 54 disposed on the first body 1 and the second body 2 are disposed. a second auxiliary wheel 55, three third auxiliary wheels 56 disposed on the third vehicle body 3 and not collinear with each other, a fourth auxiliary wheel 57 disposed on the fourth vehicle body 4, and six corresponding connections The first wheel 51, the second wheel 52, and the wheel lifting mechanism 58 (see FIG. 8) of the third wheel 53, the first wheel 51, the second wheel 52, and the third wheel 53 The first wheel body 1, the second body 2, and the fourth body 4 are correspondingly provided through the wheel lifting mechanisms 58.

Referring to Fig. 8, the wheel lifting mechanism 58 is for controlling the folding of each wheel. The following description is made by taking the third wheel 53 as an example. For the first wheel 51 and the second wheel 52, the wheel lifting mechanism 58 has a solid. The main body 581 of the fourth vehicle body 4, the upper support arm 582 pivoted on the upper side of the body 581, the lower support arm 583 pivoted to the lower side of the body 581 and longer than the upper support arm 582, and one set is set in the third An axle 531 of the wheel 53 (the first and second wheels 51, 52 have the same axle as the third wheel 53, but only the axle 531 of the third wheel 53 is drawn) and the upper support arm 582 is interconnected. Lower support The wheel bearing 584 of the arm 583 and a biasing telescopic rod 585 pivoted between the upper side of the body 581 and the lower supporting arm 583, the biasing telescopic rod 585 is used as a shock absorber (in this embodiment, the height is adjustable) Shock Absorbers). Referring to FIG. 9 to FIG. 11 , the biasing telescopic rod 585 can change its length. When the length of the biasing telescopic rod 585 is shortened, the biasing telescopic rod 585 can drive the lower supporting arm 583 to pivot toward the upper side of the body 581. The wheel bearing 584 is displaced upward relative to the body 581 and the upper support arm 582 is pivoted upward, thereby driving the corresponding third wheel 53 to move inside the fourth body 4 . Furthermore, the case where the wheel lifting mechanism 58 folds the third wheel 53 can be changed between an unreceived state (ie, a use position), a half-receiving state (ie, a retracted position), and a full-receiving state. The third wheel 53 is supported on a support surface (for example, a ground G) to move the fourth auxiliary transmission 57 away from the ground G. In the half-receiving state, the length of the biasing telescopic rod 585 is shortened, and the third wheel 53 is lifted up and folded, so that the third wheel 53 and the fourth auxiliary wheel 57 stand together on the ground G. In the fully-receiving state, the length of the biasing telescopic rod 585 is shortened again, and the third wheel 53 is further raised and folded upward, so that the third wheel 53 is away from the ground G, and the fourth auxiliary wheel 57 is supported on the ground G. .

Referring to FIG. 4 and FIG. 8 , the driving unit 6 includes two first driving motors 61 mounted on the first vehicle body 1 for driving the first wheels 51 to rotate, two mounted on the second vehicle body 2 and used for driving. A second drive motor 62 that rotates the second wheel 52, and two third drive motors 63 that are mounted to the fourth vehicle body 4 for driving the third wheel 53 to rotate. Among them, each drive motor can also be set only one, that is, only drive each group of wheels One of them can be rotated, and is not limited to this. In this embodiment, each of the driving motors is an in-wheel motor, and is specifically disposed between the wheel lifting mechanism 58 and the third wheel 53 (the third wheel 53 is illustrated as an example), but not limited thereto. .

Referring to FIG. 3 and FIG. 4, the power supply unit 7 is configured to supply electric power required for assembling the electric vehicle, and includes a first battery 71 mounted on the first vehicle body 1 and a second battery 72 mounted on the second vehicle body 2. A third battery 73 mounted to the third body 3 and a fourth battery 74 mounted to the fourth body 4.

Referring to FIG. 1 to FIG. 3, the connecting unit 8 includes two first electrical connectors, two second electrical connectors, two third electrical connectors, two fourth electrical connectors, and a fifth electrical connector. a sixth electrical connector, six first connectors, six second connectors, six third connectors, six fourth connectors, nine fifth connectors, nine sixth connectors, two First backplane connectors, two first chassis connectors, two second backplane connectors, two second chassis connectors, two third backplane connectors, two third chassis connectors, A plurality of joint blocks 85 and a plurality of joint grooves 86.

The first electrical connectors are disposed on the connecting side 15 of the first vehicle body 1, and the second electrical connectors are disposed on the connecting side 25 of the second vehicle body 2 and correspond in position to the first electrical connection And electrically connecting the second drive motor 62. The third electrical connectors are disposed on the first connecting side 34 of the third vehicle body 3 and respectively correspond to the first electrical connectors, and the fourth electrical connectors are disposed on the third vehicle body 3 On the two connection sides 35 and in position respectively correspond to the second electrical connector. The fifth electrical connector is disposed on the rear side of the first body 1 16 , the sixth electrical connector is disposed on the connecting front side 44 of the fourth vehicle body 4 and correspondingly to the fifth electrical connector in position, and electrically connected to the third driving motor 63, the sixth electrical connector and the fifth electrical The connector is electrically coupled. In this embodiment, each of the first, third, and sixth electrical connectors adopts a male electrical connector 81, and each of the second, fourth, and fifth electrical connectors adopts a female electrical connection. 82, but not limited thereto, two sets of interchanges are also possible. It should be noted that the male electrical connector 81 and the female electrical connector 82 are drawn in the form of small spheres and small circles in FIGS. 1 and 2, and are only used to indicate the relative positions of the electrodes.

The following description takes the fifth and sixth electrical connectors as an example. Referring to FIG. 1, FIG. 12 and FIG. 13, more specifically, the male electrical connector 81 has a substantially cylindrical inner terminal block 811 and a relative to The inner terminal block 811 is rotatably sleeved on the outer connector seat on the inner terminal block 811. The inner terminal block 811 is externally fixed to the front side 44 of the fourth vehicle body 4. The inner terminal block 811 is recessed to form a recess 811a. The bottom surface of the recess 811a extends upward to form a plurality of current terminals 811b (ie, conductive terminals) and A signal terminal 811c (ie, a conductive terminal) that surrounds the current terminals 811b and is arranged in a ring shape. The outer connecting seat has a rotating portion 812, a casing portion 813 and two extending wings 814. The rotating portion 812 is rotatably sleeved on the inner terminal block 811, and the outer casing portion 813 is sleeved and fixed on the outer periphery of the rotating portion 812. The 814 are opposite each other and extend radially outward from opposite sides of the outer casing portion 813, respectively. The female electrical connector 82 includes a mounting side 15 embedded in the second vehicle body 2, a first connecting side 15 of the third vehicle body 3, and an installation of one of the connecting rear sides 16 of the first vehicle body 1. Block 821. The bottom surface of the mount 821 forms a recess with the inner terminal block 811 of the male electrical connector 81. The 811a is joined to the bump 821a and the accommodating groove 822. The bump 821a is formed with a plurality of current terminal holes 821b (ie, terminal holes) through which the current terminals 811b are inserted, a plurality of signal terminal holes 821c (ie, terminal holes) through which the signal terminals 811c are inserted, and a plurality of separately provided The electrical contacts (not shown) in the current, signal terminal holes 821b, 821c, the receiving groove 822 has two extending groove portions 822a opposite to each other. The accommodating slot 822 is configured to receive the external connector, and the current and signal terminals 811b and 811c are respectively inserted into the current and signal terminal holes 821b and 821c and electrically connected to the current, The electrical contacts (not shown) of the signal terminal holes 821b, 821c provide power and signal transmission, and the outer connector is rotated by electromechanical control so that the extension wings 814 of the outer connector The extending groove portions 822a are respectively inserted into the receiving grooves 822 to maintain the male and female electrical connectors 81, 82 electrically coupled to each other.

Referring to FIGS. 1 to 3, the first connecting members are disposed on the connecting side 15 of the first vehicle body 1, and the second connecting members are disposed on the connecting side 25 of the second vehicle body 2, The three connecting members are disposed on the first connecting side 34 of the third vehicle body 3, and the fourth connecting members are disposed on the second connecting side 35 of the third vehicle body 3, and the fifth connecting members are disposed at The connecting side 16 of the first vehicle body 1, the connecting rear side 26 of the second vehicle body 2, and the third connecting side 36 of the third vehicle body 3, the sixth connecting members are disposed on the fourth vehicle body 4. Connected to the front side 44. The first backplane connectors are disposed on the first backplane 14, and the first chassis connectors are disposed on the first chassis 12 at positions corresponding to the first backplane connectors and are engaged. The second backplane connector is disposed on the second backboard 24 The second chassis connector is disposed on the second chassis 22 and is corresponding to the second backplane connector, and the third backplane connector is disposed on the third backplane 33. The third chassis connector is disposed on the third chassis 32 and is positioned to engage and engage the third backplane connectors. In this embodiment, each of the first, third, and sixth connecting members, and the first to third backplane connecting members adopt a male connecting member 83, and each of the second, fourth, and fifth connections The first and third chassis connectors are a female connector 84, but not limited thereto, two sets of interchanges are also possible, and the number of connectors is not limited to the number of the embodiment. It should be noted that the male connector 83 and the female connector 84 are drawn in the manner of small balls and small circles in FIGS. 1 and 2, and are only used to indicate the relative positions thereof. Furthermore, the small spheres and small circles for indicating the number and position of the male electrical connectors 81 and the female electrical connectors 82 can be understood with reference to FIG. 3, and the remaining small spheres indicate the male connections. The number and position of the member 83 and the female connector 84 are therefore not shown in the drawings.

Hereinafter, the first and third connecting members are taken as an example. Referring to FIG. 1, FIG. 14, and FIG. 15, more specifically, the male connecting member 83 has a substantially cylindrical inner terminal block 831 and a relative terminal. The seat 831 is rotatably sleeved on the outer connector seat on the inner terminal block 831. The inner terminal block 831 is externally fixed to the connecting side 15 of the first vehicle body 1, and the inner terminal block 831 is recessed to form a recess 831a. The outer connecting seat has a rotating portion 832, a casing portion 833 and two extending wings 834. The rotating portion 832 is rotatably sleeved on the inner terminal block 831, and the outer casing portion 833 is sleeved and fixed on the outer periphery of the rotating portion 832. 834 each other Relatively and radially outwardly from opposite sides of the outer casing portion 833, respectively. The female connector 84 includes a mounting seat 841 that is embedded in the first connecting side 34 of the third vehicle body 3. The bottom surface of the mounting base 841 defines a projection 841a that engages with the recess 831a of the inner terminal block 831 of the male connector 83 and a receiving groove 842. The receiving recess 842 has two extending groove portions 842a opposite to each other. The accommodating slot 842 is configured to receive the outer connecting seat, and the outer connecting seat is rotated by an electromechanical control, so that the extending wings 834 of the outer connecting seat respectively enter and are engaged with the extending slots of the receiving slot 822 Portion 822a to maintain the male and female connectors 83, 84 coupled to each other.

Referring to FIGS. 1 to 3, the joint blocks 85 are alternately formed on the connecting side 25 of the second vehicle body 2, the first connecting side 34 of the third vehicle body 3, and the connecting front side 44 of the fourth vehicle body 4, The engagement grooves 86 are alternately formed on the connection side 15 of the first vehicle body 1 and the connection rear side 16, the connection rear side 26 of the second vehicle body 2, and the second connection side 35 of the third vehicle body 3 and the Three connection sides 36. The joint blocks 85 are coupled to the joint grooves 86 in a corresponding position. The position where the joint block 85 and the joint groove 86 are disposed may also be interchanged, and is not limited to the embodiment of the embodiment.

Referring to FIG. 3 and FIG. 4, the drive controller 9 is disposed on the first vehicle body 1 and electrically connects the first drive motor 61 and the first battery 71, and electrically connects the second drive motor via the first to sixth electrical connectors. 62 and a third drive motor 63, and second to fourth batteries 72, 73, 74, and controlling the first to third drive motors 61, 62, 63 in accordance with the power supplied from the power supply unit 7 to drive the first to The rotation of the third wheel 51, 52, 53. The drive controller 9 specifically includes a steering wheel (not shown) and uses an engine control unit (ECU) to control each drive motor.

The assembly process of the assembled electric vehicle of the present invention is described below. The assembled electric vehicle of the present invention is characterized in that it can be assembled into different types depending on the number of passengers and functional requirements. Referring to FIG. 16 to FIG. 18, if only one person is required to ride, firstly, the first body 1 and the second body 2 of the body unit 10 are separated, and the wheel lifting mechanism 58 is adjusted to a half-receiving state. Waiting for the first and second wheels 51, 52, the first auxiliary wheel 54 and the second auxiliary wheel 55 to stand together on the ground G (see FIG. 10), and then assembling the first body 1 and the second body 2 The first electrical connector and the second electrical connector located on the connecting sides 15 and 25 are engaged with each other and electrically coupled, and the first connecting member and the second connecting member are engaged with each other, and the engaging groove 86 and the engaging portion are engaged with each other. The blocks 85 are engaged with each other such that the first body 1 and the second body 2 are firmly coupled, and the slider 221 is correspondingly received into the chute 121. Finally, the wheel lifting mechanism 58 is adjusted to the unreceived state (see FIG. 9), so that the first wheel 51 and the second wheel 52 are supported on the ground G, and the first auxiliary wheel 54 and the second auxiliary wheel 55 are Along with the ground G, the assembly is completed, and the first body 1 and the second body 2 are combined to define a first accommodating space S1 for one person to ride. At this time, the power supply unit 7 has the first battery 71 and the second battery 72 connected to the drive controller 9 and the drive unit 6 in parallel, which can increase the endurance of the assembled electric vehicle, and then the first and second controls are controlled by the drive controller 9. Driving the motors 61, 62 to drive the first wheels 51 and the second wheels 52 to rotate, so that the assembled electric vehicle can be operated. This is the first type, that is, the basic structure mentioned above. The first vehicle body 1 is provided with a seat for riding (not shown). In the first type, the overall vehicle weight is the smallest, and the energy required to start the acceleration is greatly reduced compared with the general vehicle, and the flexibility is also improved compared with the general vehicle due to the reduction of the vehicle body, and the energy saving effect can be achieved.

Referring to FIG. 19 to FIG. 21, if two people are required to ride, the wheel lifting mechanism 58 is first adjusted to a half-receiving state, so that the first and second wheels 51, 52, the first auxiliary wheel 54 and the second are The auxiliary wheels 55 are supported together on the ground G (see Fig. 10) and assembled. First, the first body 1 and the second body 2 of the body unit 10 are separated. At this time, most of the sliders 221 extend out of the chute 121 (see FIG. 6), and then the third body 3 is pushed to the first. Between the vehicle body 1 and the second vehicle body 2, the third vehicle body 3 has the same height as the first and second vehicle bodies 1, 2 (all of the first auxiliary wheel 54, the second auxiliary wheel 55 and the The three auxiliary wheels 56 are supported at the height of the ground G), through the third electrical connectors located on the first connecting side 34 of the third vehicle body 3 and the corresponding connecting sides 15 of the first vehicle body 1 The first electrical connector is engaged, and the fourth electrical connectors located on the second connecting side 35 of the third vehicle body 3 and the corresponding second electrical connectors located on the connecting side 25 of the second vehicle body 2 Engaging, and forming an electrical coupling, and the first connecting member and the third connecting member are engaged with each other, and the second connecting member is engaged with the fourth connecting member, and the engaging groove 86 is located at the connecting side 15 of the first vehicle body 1. Engaged with the engagement block 85 at the first connection side 34 of the third body 3, the engagement block 85 on the connection side 25 of the second body 2 and the engagement groove on the second connection side 35 of the third body 3 86 interlocking, The first through third vehicle body 1, 2, 3 firmly bonded. At last Adjusting the wheel lifting mechanism 58 to the unreceived state (see FIG. 9), the first wheel 51 and the second wheel 52 are supported on the ground G, and the first to third auxiliary wheels 54, 55, 56 are Keep away from the ground G, and the assembly is completed. A closed second accommodating space S2, which is defined by the first body 1 to the third body 3, can be used for two people to ride. At this time, the power supply unit 7 has the first to third batteries 71, 72, 73 powered in parallel to the drive controller 9 and the drive unit 6, which can increase the endurance of the assembled electric vehicle, and then the first controller is controlled by the drive controller 9. The second drive motors 61, 62 drive the first wheels 51 and the second wheels 52 to rotate, so that the assembled electric vehicle can be operated. This is a second type, that is, a change of the previously mentioned expansion structure, wherein The third body 3 is also provided with a seat for riding (not shown). In the second type, the overall vehicle weight is larger than the first type, but the energy required to start the acceleration is still reduced compared with the general vehicle, and the energy saving effect can be achieved.

Referring to FIG. 3, FIG. 4 and FIG. 22, if there is a demand for loading, the wheel lifting and lowering mechanisms 58 provided on the first and second bodies 1 and 2 are first adjusted to a half-receiving state, and are disposed on the fourth body. 4, the wheel lifting mechanism 58 is adjusted to the half-receiving state, and the fourth body 4 can be engaged with the fifth electrical connector through the sixth electrical connector, and electrically coupled, and the sixth connector and the sixth connector The fifth connecting members are engaged with each other, and the engaging block 85 at the front side 44 and the connecting rear side 16 of the first vehicle body 1, the connecting rear side 26 of the second vehicle body 2, and the third body 3 are third. The engaging grooves 86 of the connecting side 36 are engaged to be firmly coupled with the first to third bodies 1, 2, and 3. Finally, the first wheel 51 on the front side will be connected and The wheel lifting mechanisms 58 of the second wheel 52 are adjusted to an unreceived state (see FIG. 9) to connect the wheel lifting mechanisms 58 on the rear side adjacent to the first wheel 51 and the second wheel 52 of the fourth body 4. Adjusted to the fully-receiving state (see FIG. 11), the equal-wheel lifting mechanisms 58 connecting the third wheels 53 are adjusted to the unreceived state (see FIG. 9 because the first to third wheels 51, 52, 53 have the same specifications The first wheel 51 and the second wheel 52 on the front side and the third wheel 53 are supported on the ground G, and the first auxiliary wheel 54, the second auxiliary wheel 55, the third auxiliary wheels 56, and the The four auxiliary wheels 57, and the first wheel 51 and the second wheel 52 located on the rear side close to the fourth body 4 are away from the ground G, as shown in Fig. 7, so that assembly can be completed. The first back board 14 of the first vehicle body 1, the second back board 24 of the second vehicle body 2, the third back board 33 of the third vehicle body 3, and the two fourth doors 42 of the fourth vehicle body 4 are The fourth backing plate 43 cooperates with a third accommodating space S3 having an opening to support the cargo. At this time, the power supply unit 7 has the first to fourth batteries 71, 72, 73, 74 powered in parallel to the drive controller 9 and the drive unit 6, which can increase the endurance of the assembled electric vehicle, and then the drive controller 9 controls the respective units. The first to third drive motors 61, 62, 63 drive the first wheel 51 and the second wheel 52 on the front side and the third wheels 53 to rotate, but do not drive the first wheel 51 and the second wheel 52 on the rear side. Rotating to enable the assembled electric vehicle to operate, this is a third type, that is, another variation of the previously mentioned expansion structure, wherein the fourth vehicle body 4 is provided with two seats for riding (not shown), The seat can be leveled or removed depending on the size of the cargo or the size of the cargo to obtain more space. In this embodiment, the first wheel 51 and the second wheel 52 on the rear side are folded and held still. It is also possible to rotate, but not to fold and drive the rotation, and is not limited to this.

Referring to FIG. 4, FIG. 5 and FIG. 22, if three to four people are required to ride, the first body 1 is first required only before the fourth body 4 is combined with the first to third bodies 1, 2, and 3. The first back board 14, the second back board 24 of the second vehicle body 2, and the third back board 33 of the third vehicle body 3 are pivoted upward, so that the first to third back boards 14, 24, 33 respectively The first to third top plates 11, 21, 31 (see FIG. 1) are substantially flush and fixed, and the fourth body 4 is combined with the first to third bodies 1, 2, 3, and the first to fourth cars are combined. A closed fourth accommodating space S4 jointly defined by the bodies 1, 2, 3, and 4 can be used for three to four people, which is a fourth type, that is, another change of the previously mentioned expansion structure, The connection relationship between the power supply unit 7, the drive unit 6, and the drive controller 9 of the type is the same as that of the third type.

In summary, the assembled electric vehicle of the present invention includes four parts of the first vehicle body 1, the second vehicle body 2, the third vehicle body 3, and the fourth vehicle body 4 by the vehicle body unit 10, which can be customized according to actual situation requirements. It can be disassembled and changed in size and weight for one person, two people, cargo use and three or four people. When the number of passengers is one to two, it can be assembled into the first type or the second type. In the state of use, the overall weight can be deducted from the unassembled body part. Compared with the case where the general vehicle is a car body for three to four people but only one or two people are riding, the weight is greatly reduced, and the acceleration is started. The energy required is also greatly reduced, energy waste can be avoided, and thus the energy saving effect can be achieved, so that the object of the present invention can be achieved. Moreover, each battery in the power supply unit 7 can also increase or decrease with the number of used vehicle bodies, so that the endurance of each type is maintained.

However, the above is only the embodiment of the present invention, and the scope of the invention is not limited thereto, and all the equivalent equivalent changes and modifications according to the scope of the patent application and the patent specification of the present invention are still The scope of the invention is covered.

10‧‧‧ body unit

1‧‧‧First body

11‧‧‧First top cover

12‧‧‧First Chassis

121‧‧‧Chute

13‧‧‧First door

14‧‧‧First backplane

15‧‧‧Connecting side

16‧‧‧Connected back side

2‧‧‧Second body

21‧‧‧Second top cover

22‧‧‧second chassis

221‧‧‧ Slider

23‧‧‧Second door

24‧‧‧Second backplane

25‧‧‧Connecting side

26‧‧‧Connected back side

3‧‧‧ Third car body

31‧‧‧ third top cover

32‧‧‧ Third Chassis

33‧‧‧ Third backplane

34‧‧‧ first connection side

35‧‧‧Second connection side

36‧‧‧ third connecting side

4‧‧‧Four car body

41‧‧‧fourth chassis

42‧‧‧fourth door

43‧‧‧fourth backplane

44‧‧‧Connecting the front side

51‧‧‧First wheel

52‧‧‧second wheel

53‧‧‧ Third wheel

61‧‧‧First drive motor

63‧‧‧ Third drive motor

8‧‧‧ Connection unit

81‧‧‧Male electrical connector

83‧‧‧ Male connectors

84‧‧‧Female connector

85‧‧‧ joint block

86‧‧‧ Engagement slot

Claims (32)

An assembled electric vehicle comprising: a body unit, which can be selectively assembled into a basic structure or an expanded structure, and includes a first body and a second body that are connected to each other side by side, the first And each of the second vehicle bodies has a connecting side; a wheel unit including two first wheels disposed opposite to each other in the front-rear direction, and two opposite to each other in the front-rear direction a second wheel disposed on the second body; a driving unit including a first driving motor mounted to the first body and configured to drive one of the first wheels to rotate, and a first driving motor mounted thereon a second vehicle body and a second drive motor for driving one of the second wheels to rotate; a power supply unit for supplying power required for assembling the electric vehicle, and including a first body body a first battery; a connecting unit comprising a first electrical connector disposed on the connecting side of the first vehicle body, and a second electrical connector disposed on the connecting side of the second vehicle body And corresponding in position to the first electrical connector, and Connecting the second driving motor, when the body unit is assembled into the basic structure, the second electrical connector is electrically coupled to the first electrical connector; and a driving controller is disposed in the first vehicle And electrically connecting the first driving motor and the first battery, and electrically connecting the second driving horse via the first and second electrical connectors when the vehicle body unit is assembled into the basic structure And controlling the first and second drive motors to drive the rotation of the first and second wheels according to the power supplied by the power unit. The electric vehicle is assembled as claimed in claim 1, wherein one of the first electrical connector and the second electrical connector is a male electrical connector, and the other is a female electrical connector. The electric vehicle is assembled as claimed in claim 2, wherein the male electrical connector comprises a substantially cylindrical inner terminal block and an annular outer connecting seat, the inner terminal block being externally fixed to the first And the connecting side of one of the second bodies is provided with a plurality of conductive terminals, the outer connecting seat is rotatably sleeved on the inner terminal block with respect to the inner terminal block and has two opposite and radial directions An outwardly extending extending wing; the female electrical connector includes a mounting seat embedded on the connecting side of the other of the first and second vehicle bodies, the mounting seat is formed with a receiving slot and a plurality of terminals a hole having a plurality of electrical contacts respectively disposed in the terminal holes, the receiving groove having two extending groove portions opposite to each other; and when the body unit is assembled into the basic structure, the receiving portion The outer connecting seats are accommodating, and the conductive terminals are respectively inserted into the terminal holes and electrically contacted with the electrical contacts provided in the terminal holes, respectively, and rotated by the outer terminals a connecting seat, the extending wings of the outer connecting seat respectively enter and are latched in the receiving slot The slot portion is extended to maintain the male and female electrical connectors electrically coupled to each other. The electric vehicle is assembled as claimed in claim 1, wherein the connecting unit further comprises at least one first connecting member disposed on the connecting side of the first vehicle body, and at least one connection provided on the second vehicle body On the side and in position corresponding to The second connecting member of the at least one first connecting member is coupled to the at least one second connecting member when the body unit is assembled into the basic structure. The electric vehicle is assembled as claimed in claim 4, wherein one of the at least one first connecting member and the at least one second connecting member is a male connecting member, and the other one is a female connecting member. The electric vehicle is assembled according to claim 5, wherein the male connector comprises a substantially cylindrical inner terminal block and an annular outer connector, the inner terminal block being externally fixed to the first and a connecting side of one of the second vehicle bodies, the outer connecting seat being rotatably sleeved on the inner terminal block with respect to the inner terminal block and having two extending wings extending opposite to each other and extending radially outward; The female connector includes a mounting seat embedded on the connecting side of the other of the first and second vehicle bodies, the mounting seat is formed with a receiving groove having two extending slots opposite to each other And the accommodating groove accommodating the outer connecting seat when the body unit is assembled into the basic structure, and by rotating the outer connecting seat, the extending wings of the outer connecting seat respectively enter and The clips are engaged with the extending slots of the receiving slot to maintain the male and female connectors coupled to each other. The assembling electric vehicle according to claim 1 or 4, wherein the connecting unit further includes a plurality of engaging blocks formed on one of the connecting sides of the first and second vehicle bodies, and a plurality of Waiting for the other of the connecting sides of the first and second bodies to correspond to the engaging grooves of the engaging blocks, respectively. When the body unit is assembled into the basic structure, the engaging blocks are respectively The engagement grooves are engaged to maintain the connection relationship between the first and second vehicle bodies. The electric vehicle is assembled according to claim 1, wherein the vehicle body unit further includes a third vehicle body having first and second connecting sides opposite to each other, and when the vehicle body unit is assembled into the expansion structure, The third body is sandwiched between the connecting sides of the first and second bodies, such that the first and second connecting sides of the third body are respectively attached to the first and The power supply unit further includes a second battery mounted to the second vehicle body and a third battery mounted to the third vehicle body; the connection unit further includes a third electrical connection And a fourth electrical connector, the third electrical connector is disposed on the first connection side of the third vehicle body and correspondingly corresponding to the first electrical connector, the fourth electrical connector is disposed And corresponding to the second electrical connector on the second connecting side of the third vehicle body, the third electrical connector and the fourth electrical connector respectively corresponding to the first electrical connector and the second electrical connector The second electrical connector is electrically coupled; and the driving controller electrically connects the second drive via the first to fourth electrical connectors The motor is driven, and the first and second drive motors are controlled to drive the rotation of the first and second wheels in accordance with the power supplied by the power unit. The electric vehicle is assembled as claimed in claim 8, wherein the second vehicle body has a sliding bar, and the first vehicle body has a sliding slot matched with the sliding bar to enable the first and second vehicle bodies. The connecting sides are spaced apart from each other when the vehicle body unit is assembled into the expansion structure, and are respectively attached to the first and the third body The second connection side. The electric vehicle is assembled as claimed in claim 9, wherein the wheel unit further includes a first auxiliary wheel disposed on the first vehicle body and not adjacent to the first wheel, and a second auxiliary body disposed on the second body And a second auxiliary wheel that is not collinear with the second wheels, and at least three third auxiliary wheels that are disposed on the third vehicle body and are not collinear with each other. The electric vehicle is assembled as claimed in claim 10, wherein the wheel unit further comprises four wheel lifting mechanisms disposed on the body unit, and each wheel lifting mechanism is configured to make one of the first and second wheels Moving relative to the body unit between a use position and a retracted position, the first and second wheels contact a support surface in the use position and the first, second and third auxiliary wheels are The spacer is positioned above the support surface and the support surfaces are simultaneously contacted with the first, second and third auxiliary wheels in the retracted position. The electric vehicle is assembled as claimed in claim 11, wherein each of the lifting mechanisms has a body fixed to the body unit, an upper support arm pivotally connected to the upper side of the body, and a pivotal connection to the lower side of the body and longer than a lower support arm of the upper support arm, a set of axles of the corresponding one of the first and second wheels, and a wheel bearing interconnecting the upper support arm and the lower support arm, and a pivoting a biasing telescopic rod member between the upper side of the body and the lower support arm, when the upper support arm, the lower support arm and the biasing telescopic rod member are pivoted upward relative to the body, the biasing telescopic rod member The overall length is shortened and the wheel bearing is driven to move upward relative to the body such that the counterpart of the first and second wheels moves with the wheel bearing toward the interior of the body unit. Assembling an electric vehicle as claimed in claim 8, wherein the first electrical connector and the One of the second electrical connectors is a male electrical connector and the other is a female electrical connector, the third electrical connector being similar to the second electrical connector, the fourth electrical connector being similar In the first electrical connector. The electric vehicle is assembled according to claim 13, wherein the male electrical connector comprises a substantially cylindrical inner terminal block and an annular outer connecting seat, the inner terminal block being externally fixed to the first And the connecting side of one of the second bodies is provided with a plurality of conductive terminals, the outer connecting seat is rotatably sleeved on the inner terminal block with respect to the inner terminal block and has two opposite and radial directions An outwardly extending extending wing; the female electrical connector includes a mounting seat embedded on the connecting side of the other of the first and second vehicle bodies, the mounting seat is formed with a receiving slot and a plurality of terminals a hole having a plurality of electrical contacts respectively disposed in the terminal holes, the receiving groove having two extending groove portions opposite to each other; and when the body unit is assembled into the expansion structure, the receiving portion The outer connecting seats are accommodating, and the conductive terminals are respectively inserted into the terminal holes and electrically contacted with the electrical contacts provided in the terminal holes, respectively, and rotated by the outer terminals a connecting seat, the extending wings of the outer connecting seat respectively enter and are latched in the receiving slot Like portion extending groove, in order to maintain these male and female-type electrical connector electrically coupled to each other. The electric vehicle is assembled as claimed in claim 13, wherein the connecting unit further comprises at least one first connecting member disposed on the connecting side of the first vehicle body, and at least one connecting side disposed on the second vehicle body a second connecting member, at least one third connecting member disposed on the first connecting side of the third vehicle body and correspondingly corresponding to the first connecting members, and at least one of the third connecting members a second connecting member on a second connecting side of a vehicle body and correspondingly corresponding to the second connecting members, respectively, when the body unit is assembled into the extended structure, the at least one third connecting member and The at least one fourth connecting member is respectively engaged with the at least one first connecting member and the at least one second connecting member. The electric vehicle is assembled according to claim 15, wherein one of the at least one first connecting member and the at least one third connecting member is a male connecting member, and the other one is a female connecting member, The at least one second connecting member is similar to the at least one third connecting member, and the at least one fourth connecting member is similar to the at least one first connecting member. The electric vehicle is assembled according to claim 16, wherein the male connector comprises a substantially cylindrical inner terminal block and an annular outer connector, the inner terminal block being externally fixed to the first and a connecting side of one of the second vehicle bodies, the outer connecting seat being rotatably sleeved on the inner terminal block with respect to the inner terminal block and having two extending wings extending opposite to each other and extending radially outward; The female connector includes a mounting seat embedded on the connecting side of the other of the first and second vehicle bodies, the mounting seat is formed with a receiving groove having two extending slots opposite to each other And the accommodating groove accommodating the outer connecting seat when the body unit is assembled into the expansion structure, and by rotating the outer connecting seat, the extending wings of the outer connecting seat respectively enter and The clips are engaged with the extending slots of the receiving slot to maintain the male and female connectors coupled to each other. The electric vehicle is assembled as claimed in claim 8 or 15, wherein the connecting unit further comprises a plurality of engaging blocks and a plurality of engaging grooves, the engaging blocks being formed in the first car One of the connection side of the body and the first connection side of the third vehicle body, and the connection side of the second vehicle body and the second connection side of the third vehicle body, And an engagement groove formed on the other side of the connection side of the first vehicle body and the first connection side of the third vehicle body, and the connection side of the second vehicle body and the third vehicle body The other of the second connecting sides, the first connecting side and the second connecting side of the third vehicle body form the engaging blocks, wherein the other forms the engaging slots, the first The connecting side of the connecting body of the vehicle body and the first connecting side of the third vehicle body are correspondingly coupled to the engaging grooves in a positional manner, and are located at the connecting side of the second vehicle body and the third vehicle The engaging blocks of the first connecting side of the body are correspondingly coupled to the engaging grooves in a positional manner. When the body unit is assembled into the expanding structure, the engaging blocks are respectively engaged with the engaging grooves. In order to maintain the connection relationship between the first vehicle body, the second vehicle body and the third vehicle body. The electric vehicle is assembled according to claim 8, wherein the vehicle body unit further comprises a fourth vehicle body having a connecting front side, the first vehicle body further having a connecting rear side, the second vehicle body further having a connection The third vehicle body further has a third connecting side. When the vehicle body unit is assembled into the expansion structure, the connecting front side of the fourth vehicle body is connected to the first and second vehicle bodies. And connecting the rear side to the third connecting side of the third vehicle body; the wheel unit further includes two third wheels respectively disposed on the two sides of the fourth vehicle body; the driving unit further comprising a first Four car body and used for driving a third driving motor that rotates one of the third wheels; the power unit further includes a third battery mounted to the fourth body; the connecting unit further includes a fifth electrical connector and a sixth electrical a connector, the fifth electrical connector is disposed on the connection rear side of the first vehicle body, the sixth electrical connector is disposed on the connection front side of the fourth vehicle body and corresponds in position to the fifth An electrical connector electrically connected to the third driving motor, the sixth electrical connector being electrically coupled to the fifth electrical connector; and the driving controller electrically connecting the first to sixth electrical connectors The second and third drive motors are equal, and the first to third drive motors are controlled in accordance with the power supplied from the power supply unit to drive the rotation of the first to third wheels. The electric vehicle is assembled as claimed in claim 19, wherein the wheel unit further includes a first auxiliary wheel disposed on the first vehicle body and not adjacent to the first wheel, and a second auxiliary body disposed on the second body And a second auxiliary wheel that is not collinear with the second wheels, at least three third auxiliary wheels that are disposed on the third vehicle body and are not collinear with each other, and one that is disposed on the fourth vehicle body and A fourth auxiliary wheel that waits for the third wheel to be non-collinear with each other. The electric vehicle is assembled as claimed in claim 20, wherein the wheel unit further comprises six wheel lifting mechanisms disposed on the body unit, each wheel lifting mechanism for making the first, second and third wheels a counterpart moves relative to the body unit between a use position and a retracted position, the first, second and third wheels contacting a support surface in the use position and simultaneously the first and second And the third and fourth auxiliary wheels are spaced above the support surface, and in the retracted position, the first, second, third and fourth The auxiliary wheel simultaneously contacts the support surface. The electric vehicle is assembled as claimed in claim 21, wherein each of the lifting mechanisms has a body fixed to the body unit, an upper support arm pivotally connected to the upper side of the body, and a pivotal connection to the lower side of the body and longer than a lower support arm of the upper support arm, a set of wheel axles of the corresponding ones of the first, second and third wheels, and a wheel bearing interconnecting the upper support arm and the lower support arm, and a wheel bearing a biasing telescopic rod member pivotally disposed between the upper side of the body and the lower support arm, the biasing telescopic when the upper support arm, the lower support arm and the biasing telescopic rod member pivot upward relative to the body The total length of the rod is shortened and the wheel bearing is driven to move upward relative to the body such that the counterpart of the first, second and third wheels moves with the wheel bearing toward the interior of the body unit. The electric vehicle is assembled as claimed in claim 19, wherein one of the first electrical connector and the second electrical connector is a male electrical connector and the other one is a female electrical connector, the first The third electrical connector is similar to the second electrical connector, the fourth electrical connector is similar to the first electrical connector, and the fifth electrical connector and the sixth electrical connector are electrically connected to the male electrical connector. The other of which is the female electrical connector. The electric vehicle is assembled as claimed in claim 23, wherein the male electrical connector comprises a substantially cylindrical inner terminal block and an annular outer connecting seat, the inner terminal block being externally fixed to the first And the connecting side of one of the second bodies is provided with a plurality of conductive terminals, the outer connecting seat is rotatably sleeved on the inner terminal block with respect to the inner terminal block and has two opposite and radial directions An outwardly extending extension wing; The female electrical connector includes a mounting seat embedded on the connecting side of the other of the first and second vehicle bodies, the mounting seat is formed with a receiving slot and a plurality of terminal holes, and has a plurality of respectively The accommodating groove has two extending groove portions opposite to each other; and when the body unit is assembled into the expansion structure, the accommodating groove is accommodating the outer portion Connecting the sockets, and the conductive terminals are respectively inserted into the terminal holes and electrically contacting the electrical contacts provided in the terminal holes, respectively, and the outer connector is rotated by rotating the outer connector The extension wings respectively enter and are latched in the extending slots of the receiving slot to maintain the male and female electrical connectors electrically coupled to each other. The electric vehicle is assembled as claimed in claim 23, wherein the connecting unit further comprises at least one first connecting member disposed on the connecting side of the first vehicle body, and at least one connecting side disposed on the second vehicle body a second connecting member, at least one third connecting member disposed on the first connecting side of the third vehicle body and correspondingly corresponding to the first connecting members, at least one of the first connecting members a fourth connecting member on the second connecting side of the body and corresponding to the second connecting members, at least one fifth connecting member, and at least one of the connecting front sides of the fourth vehicle body and the position Corresponding to the sixth connecting member of the at least one fifth connecting member, the at least one fifth connecting member is disposed on the connecting rear side of the first vehicle body, the connecting rear side of the second vehicle body, and the first The at least one third connecting member and the at least one fourth connecting member are respectively coupled to the at least one first one of the third connecting side of the three-car body. a connector and the at least one second connector, the at least one fifth connector coupled The at least one sixth connecting member is coupled. The electric vehicle is assembled as claimed in claim 25, wherein one of the at least one first connecting member and the at least one third connecting member is a male connecting member, and the other one is a female connecting member, The at least one second connecting member is similar to the at least one third connecting member, the at least one fourth connecting member is similar to the at least one first connecting member, and the at least one fifth connecting member and the at least one sixth connecting member are The male connector is the male connector, the other of which is the female connector. The electric vehicle is assembled as claimed in claim 26, wherein the male connector comprises a substantially cylindrical inner terminal block and an annular outer connector, the inner terminal block being externally fixed to the first a connecting side of one of the second vehicle bodies, the outer connecting seat being rotatably sleeved on the inner terminal block with respect to the inner terminal block and having two extending wings extending opposite to each other and extending radially outward; The female connector includes a mounting seat embedded on the connecting side of the other of the first and second vehicle bodies, the mounting seat is formed with a receiving groove having two extending slots opposite to each other And the accommodating groove accommodating the outer connecting seat when the body unit is assembled into the expansion structure, and by rotating the outer connecting seat, the extending wings of the outer connecting seat respectively enter and The clips are engaged with the extending slots of the receiving slot to maintain the male and female connectors coupled to each other. The assembling electric vehicle according to claim 19 or 25, wherein the connecting unit further comprises a plurality of engaging blocks and a plurality of engaging grooves formed on the connecting side of the first vehicle body and the third body One of the first connection sides, the connection side of the second vehicle body, and the second connection side of the third vehicle body One of the connection front sides of the fourth vehicle body, the engagement groove is formed on the connection side of the first vehicle body and the other one of the first connection side of the third vehicle body, the other The other side of the connecting side of the second vehicle body and the second connecting side of the third vehicle body, the connecting rear side of the first vehicle body, the connecting rear side of the second vehicle body, and the The third connecting side of the third vehicle body, one of the first connecting side and the second connecting side of the third vehicle body forming the engaging blocks, wherein the other forms the engaging slots, and the The connecting side of a connecting body of the vehicle body and the first connecting side of the third vehicle body are correspondingly coupled to the engaging grooves in a positional manner, and are located at the connecting side of the second vehicle body and the third The engaging blocks of the first connecting side of the vehicle body are correspondingly coupled to the engaging grooves in a positional manner, and the engaging blocks on the front side of the connecting portion are correspondingly coupled to each other after the connecting of the first vehicle body. The connecting groove of the side and the connecting rear side of the second vehicle body and the third connecting side of the third vehicle body When the vehicle body unit is assembled into the expansion structure, the engagement blocks are respectively engaged with the engagement slots to maintain the first vehicle body, the second vehicle body, the third vehicle body and the fourth vehicle. The connection between the bodies. The electric vehicle is assembled as claimed in claim 7, wherein the first vehicle body has a first top cover and a first chassis spaced apart from each other, and a opposite side of the connecting side of the first vehicle body and connected The first top cover and the first door of the first chassis, and a first back panel located on the connecting rear side of the first vehicle body and connected to the first top cover, the connecting unit further has a plurality of settings a first backplane connector of the first backplane and a plurality of first chassis disposed on the first chassis and corresponding to the first backplane connectors a connector, one of the first backplane connectors corresponding to the first chassis connector of the first backplane connector being the male connector, and the other being the female connector The second body has a second top cover and a second bottom spaced apart from each other, a opposite side of the connecting side of the second body and connecting the second top cover and the second chassis a second door, and a second back plate on the rear side of the second body and connected to the second top cover, the connecting unit further has a plurality of second backs disposed on the second back plate a board connector and a plurality of second chassis connectors disposed on the first chassis and corresponding to the second backplane connectors, and the second backplane connectors are corresponding to the position One of the second chassis connectors of the second backplane connector is the male connector, and the other is the female connector, the first body and the second body are assembled into the basic The structure together defines a closed first accommodating space. The electric vehicle is assembled as claimed in claim 18, wherein the first vehicle body has a first top cover and a first chassis spaced apart from each other, and a opposite side of the connecting side of the first vehicle body and connected The first top cover and the first door of the first chassis, and a first back panel located on the connecting rear side of the first vehicle body and connected to the first top cover, the connecting unit further has a plurality of settings a first backplane connector of the first backplane and a plurality of first chassis connectors disposed on the first chassis and corresponding to the first backplane connectors, the first backplane One of the connecting members and the first chassis connecting member corresponding to the position of the first backplane connecting member is the male connecting member, and the other is the female connecting member, the second body having the upper and lower sides a second top cover and a second chassis disposed at intervals, and the connection in the second vehicle body a second door connected to the opposite side of the side and connecting the second top cover and the second chassis, and a second back plate located at the rear side of the second body and connected to the second top cover, The connecting unit further has a plurality of second backplane connectors disposed on the second backplane and a plurality of second chassis connections disposed on the first chassis and corresponding to the second backplane connectors One of the second backplane connectors and the second chassis connector corresponding to the position of the second backplane connector is the male connector, and the other is the female connector The third vehicle body has a third top cover and a third bottom plate spaced apart from each other, and a third back plate connected to the third top cover. The connecting unit further has a plurality of the third back plates disposed on the third back plate. a third backplane connector and a plurality of third chassis connectors disposed on the third chassis and corresponding to the third backplane connectors, and any of the third backplane connectors One of the third chassis connectors corresponding to the position of the third backplane connector is the male connector The other is the female connector, and the first body and the second body are respectively connected to the first and second connecting sides of the third body when assembled into the expansion structure, so that The first vehicle body, the second vehicle body and the third vehicle body collectively define a closed second accommodating space. The electric vehicle is assembled as claimed in claim 28, wherein the first vehicle body has a first top cover and a first chassis spaced apart from each other, and a opposite side of the connecting side of the first vehicle body and connected The first top cover and the first door of the first chassis, and the first rear panel of the first top cover are pivotally connected to the connecting back side of the first vehicle body, and the connecting unit further has a plurality of a first backplane connector disposed on the first backplane and a plurality of first backplanes disposed on the first chassis And a first chassis connector corresponding to the first backplane connector and the first chassis connector, wherein the first backplane connector is connected to the first chassis corresponding to the first backplane connector One of the members is the male connector, and the other is the female connector. The second body has a second top cover and a second chassis spaced apart from each other, and a second body. a second door connected to the opposite side of the connecting side and connecting the second top cover and the second chassis, and a second backing plate connected to the connecting rear side of the second vehicle body and connected to the second top cover The connecting unit further has a plurality of second backplane connectors disposed on the second backplane and a plurality of second chassis disposed on the first chassis and corresponding to the second backplane connectors a connector, one of the second backplane connectors corresponding to the second chassis connector of the second backplane connector being the male connector, and the other being the female connector The third body has a third top cover and a third bottom plate spaced apart from each other, and a third body a third backplane of the third top cover, the connecting unit further has a plurality of third backplane connectors disposed on the third backplane, and a plurality of positions disposed on the third chassis and the third backs a third chassis connector corresponding to and engaged with the board connector, one of the third backplane connectors being corresponding to the position of the third chassis connector of the third backplane connector And the first body and the second body are respectively connected to the first and second connecting sides of the third vehicle body when assembled into the expansion structure The fourth vehicle body has a fourth chassis, two fourth doors respectively extending upward from the left and right sides of the fourth chassis, and a second extending from the rear edge of the fourth chassis and connecting the two fourth doors a four-back board, when the front side of the fourth body is connected The first backplane and the second backplane and the third backplane are connected to the first rear side of the first vehicle body and the second vehicle body and the third connecting side of the third vehicle body And the fourth chassis of the fourth vehicle body cooperates with the four fourth doors to define a third accommodating space having an opening, and the opening faces upward. The electric vehicle is assembled as described in claim 31, wherein the first vehicle body, the first back panel, the second back panel, and the third back panel are pivoted upward to be connected to the fourth back panel, The second vehicle body, the third vehicle body and the fourth vehicle body jointly define a closed fourth accommodating space.